USPP9631P - Cherry rootstock GI 195/2 - Google Patents

Cherry rootstock GI 195/2 Download PDF

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Publication number
USPP9631P
USPP9631P US08/485,405 US48540595V US9631P US PP9631 P USPP9631 P US PP9631P US 48540595 V US48540595 V US 48540595V US 9631 P US9631 P US 9631P
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year
mean
leaf
rootstock
cherry
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US08/485,405
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Werner Gruppe
Hanna Schmidt
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Consortium Deutscher Baumschulen GmbH
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Inter Plant Patent Marketing Inc
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H6/00—Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy
    • A01H6/74—Rosaceae, e.g. strawberry, apple, almonds, pear, rose, blackberries or raspberries
    • A01H6/7427—Prunus, e.g. almonds
    • A01H6/7445—Cherries

Definitions

  • the present invention relates generally to cherry trees and more specifically to a new and distinct variety of cherry hybrid tree which is particularly useful as a rootstock.
  • cherry hybrid trees as rootstock is known in the art of producing cherry trees.
  • One such variety is F12/1, a vegetatively propagated P. avium-selection.
  • Rootstock varieties of GI 148/2 and GI 148/8 are described in U.S. Plant Patents 8852 and 8954 respectively.
  • the use of cherry hybrid varieties as rootstock produces a dwarf tree that comes into earlier and heavier bearing without sacrificing fruit size.
  • the new and distinct cultivar of cherry rootstock which has been given the designation GI 195/2 produces a tree which is generally spreading and which upon grafting produces a dwarf tree.
  • FIG. 1 illustrates a branch and dormant lateral buds, bark and lenticels of GI 195/2.
  • FIG. 2 illustrates GI 195/2 flowers.
  • the new and distinct variety of cherry hybrid tree of the present invention was bred by the inventors as a cross of Prunus canescens ⁇ Prunus cerasus cv. "Leitzkauer" with Prunus canescens in Giessen, Germany. It has been successfully asexually propagated by softwood cuttings at the University of Giessen in Giessen, Germany, and has been observed to remain true to the description set forth herein.
  • GI 195/2 as used as a rootstock for sweet cherry trees induces dwarfing to a significant degree. Precocity, high production of fruit and yield efficiency, good fruit size and no or very few suckers were induced. GI 195/2 as a rootstock confers earlier and heavier bearing to the scion as compared to F12/1 clonal cherry rootstock. As a mean of seven years, 100-fruit-weight of "Hedelfinger" grafted on 195/2 was 737 grams, while 100-fruit-weight of "Hedelfinger” grafted on F12/1 was 735 grams.
  • GI 195/2 itself is bushy, of medium vigor and has medium frosthardiness. After eight growing seasons near Giessen, Germany, GI 195/2 demonstrated a height of 3.30 meters and a width of 3.30 meters.
  • Base shape --Rounded, slightly acute.
  • Pubescence --Very sparse pubescence on adaxil surface (top), lightly pubescent on abaxil surface especially on veins.
  • Branch dimensions (For a single GI 195/2 plant in the ungrafted condition after the 5th leaf; in brackets, comparable data for F12/1).
  • Buds Conical, acute, adpressed, 2-3 mm long, overlapping bud scales, with prominent leaf scars. No ornamental value.
  • Enzyme polymorphism of GI 195/2 (Studied by horizontal starch gel electrophoresis of leaf tissue of 8 loci.) is shown in Table 3.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Natural Medicines & Medicinal Plants (AREA)
  • Physiology (AREA)
  • Botany (AREA)
  • Developmental Biology & Embryology (AREA)
  • Environmental Sciences (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)

Abstract

The new and distinct cultivar of cherry rootstock, which has been given the designation GI 195/2 produces a tree which is generally spreading and which upon grafting produces a dwarf tree.

Description

FIELD OF THE INVENTION
The present invention relates generally to cherry trees and more specifically to a new and distinct variety of cherry hybrid tree which is particularly useful as a rootstock.
BACKGROUND OF THE INVENTION
The use of cherry hybrid trees as rootstock is known in the art of producing cherry trees. One such variety is F12/1, a vegetatively propagated P. avium-selection. Rootstock varieties of GI 148/2 and GI 148/8 are described in U.S. Plant Patents 8852 and 8954 respectively. The use of cherry hybrid varieties as rootstock produces a dwarf tree that comes into earlier and heavier bearing without sacrificing fruit size.
SUMMARY OF THE INVENTION
The new and distinct cultivar of cherry rootstock, which has been given the designation GI 195/2 produces a tree which is generally spreading and which upon grafting produces a dwarf tree.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 illustrates a branch and dormant lateral buds, bark and lenticels of GI 195/2.
FIG. 2 illustrates GI 195/2 flowers.
DETAILED DESCRIPTION OF THE INVENTION
The new and distinct variety of cherry hybrid tree of the present invention was bred by the inventors as a cross of Prunus canescens×Prunus cerasus cv. "Leitzkauer" with Prunus canescens in Giessen, Germany. It has been successfully asexually propagated by softwood cuttings at the University of Giessen in Giessen, Germany, and has been observed to remain true to the description set forth herein.
GI 195/2 as used as a rootstock for sweet cherry trees induces dwarfing to a significant degree. Precocity, high production of fruit and yield efficiency, good fruit size and no or very few suckers were induced. GI 195/2 as a rootstock confers earlier and heavier bearing to the scion as compared to F12/1 clonal cherry rootstock. As a mean of seven years, 100-fruit-weight of "Hedelfinger" grafted on 195/2 was 737 grams, while 100-fruit-weight of "Hedelfinger" grafted on F12/1 was 735 grams.
GI 195/2 itself is bushy, of medium vigor and has medium frosthardiness. After eight growing seasons near Giessen, Germany, GI 195/2 demonstrated a height of 3.30 meters and a width of 3.30 meters.
The following varieties of sweet and sour cherries have been successfully grafted onto GI 195/2: Hedelfinger, Buttners Rote Knorpel, Grosse Schwarze Knorpel, Van, and Montmorency. No graft incompatibility is presently known.
Ploidy of 195/2 is probably triploid (2n=3x). The ploidy status of the parents has been investigated by isoenzyme analysis and is tetraploid (2n=4x) for the mother plant=Prunus cerasus, cv "Leitzkauer", and diploid (2n=2x) for the father plant, Prunus canescenes.
Leaves:
Overall shape.--Obvate.
Apex shape.--Acute to slightly acuminate.
Base shape.--Rounded, slightly acute.
Leaf serration.--Doubly serrate leaf margin, secondary notches are indistinct.
Veination.--Pinnate, 9-11 veins, mainly alternate.
Stipules.--Prominent at base of petiole on most leaves.
Glands.--Rounded, attached to bottom edge of blade.
Pubescence.--Very sparse pubescence on adaxil surface (top), lightly pubescent on abaxil surface especially on veins.
Color.--Light green.
Leaf dimensions of GI 195/2 at 5th and 9th leaf:
______________________________________                                    
                 5th leaf                                                 
                        9th leaf                                          
______________________________________                                    
Mean length of leaves                                                     
                   59       80                                            
Mean width of leaves                                                      
                   32       50                                            
Mean length of petioles                                                   
                   73       70                                            
______________________________________
Branches: One year old branches are very slightly pubescent, buds alternate on branch.
Color of 2-year old branch.--Greyed red; Fan 4, 178 B (R.H.S. Colour Chart).
Branch dimensions: (For a single GI 195/2 plant in the ungrafted condition after the 5th leaf; in brackets, comparable data for F12/1).
Mean length of 1-year-old branches.--19.0 cm (19.8 Cm).
Mean length of 2-year-old branches.--28.4 cm (35.0 cm).
Mean length of 3-year-old branches.--29.5 cm (63.2 cm).
Mean diameter of 1-year-old branches.--1.8 mm (3.4 mm).
Mean diameter of 2-year-old branches.--3.0 mm (5.8 mm).
Mean diameter of 3-year-old branches.--4.9 mm (10.1 mm).
Mean no. of branches from 2-year-old branches.--1.2 (0.7).
Mean no. of branches from 3-year-old branches.--6.4 (2.4).
Mean no. of nodes of 2-year-old branches.--12.2 (15.3).
Mean no. of nodes of 3-year-old branches.--11.4 (22.4).
Mean angle of 3-year-old branches.--75.0 (59.7).
Mean angle of 4-year-old branches.--78.3 (58.3).
Buds: Conical, acute, adpressed, 2-3 mm long, overlapping bud scales, with prominent leaf scars. No ornamental value.
Flowers:
Flowering.--Flowers in the 1st year.
Abundance.--Good flower density 2nd year.
Petal color.--White.
Petal shape.--Almost round.
Bloom:
Begin of bloom.--Late.
Overall vigor:
Suckers.--None.
Survey of growth data: Growth of one ungrafted, 60 kilometers south of Gliessen, Germany after 5th and 9th leaf is shown in Table 1 below.
              TABLE 1                                                     
______________________________________                                    
                 5th leaf                                                 
                        9th leaf                                          
______________________________________                                    
Height (cm)        230     370.0                                          
Width (cm)         185     380.0                                          
Depth (cm)                 450.0                                          
Fresh weight (kg)           41.5                                          
______________________________________
A crown-silhouette comparison of GI 195/2 and F12/1-(m2)=height×(width+depth)/2 is shown in Table 2.
              TABLE 2                                                     
______________________________________                                    
                  GI 195/2                                                
                         F12/1                                            
______________________________________                                    
After 4 years in orchard:                                                 
                    3.7       7.7                                         
After 6 years in orchard:                                                 
                    5.9      14.3                                         
______________________________________
Enzyme polymorphism of GI 195/2: (Studied by horizontal starch gel electrophoresis of leaf tissue of 8 loci.) is shown in Table 3.
              TABLE 3                                                     
______________________________________                                    
                      195/2                                               
______________________________________                                    
Aconitase-2              22                                               
Alkoholdehydrogenase-1  112                                               
Isocitratdehydrogenase-2                                                  
                        122                                               
Leucinaminopeptisase-1   23                                               
5-Phosphogluconat-Dehydrogenase-1                                         
                        1H                                                
6-Phosphogluconat-Dehydrogenase-2                                         
                        122                                               
Phophoglucose-Isomerase-2                                                 
                        124                                               
Phosphoglucomutase-2     25                                               
______________________________________

Claims (1)

What is claimed is:
1. A new and distinct variety of cherry hybrid tree as shown and described herein.
US08/485,405 1995-06-07 1995-06-07 Cherry rootstock GI 195/2 Expired - Lifetime USPP9631P (en)

Priority Applications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030217400P1 (en) * 2002-01-11 2003-11-20 Guennadi Eremin Prunus plant named 'VSL-2'

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USPP8852P (en) * 1992-07-29 1994-08-02 Inter-Plant Patent Marketing, Inc. Cherry rootstock GI 148/8
USPP8954P (en) * 1992-07-29 1994-10-25 Inter-Plant Patent Marketing, Inc. Cherry rootstock GI 148/1

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USPP8852P (en) * 1992-07-29 1994-08-02 Inter-Plant Patent Marketing, Inc. Cherry rootstock GI 148/8
USPP8954P (en) * 1992-07-29 1994-10-25 Inter-Plant Patent Marketing, Inc. Cherry rootstock GI 148/1

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030217400P1 (en) * 2002-01-11 2003-11-20 Guennadi Eremin Prunus plant named 'VSL-2'
USPP15723P3 (en) * 2002-01-11 2005-04-19 Krymsk Breeding Station Prunus plant named ‘VSL-2’

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Owner name: INTER-PLANT PATENT MARKETING, INC., CANADA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:GRUPPE, WERNER;SCHMIDT, HANNA;REEL/FRAME:007622/0237

Effective date: 19950711

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Owner name: CONSORTIUM DEUTSCHER BAUMSCHULEN GMBH, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:INTER-PLANT PATENT MARKETING, INC.;REEL/FRAME:013663/0345

Effective date: 20021108